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Allen B du Mont Laboratories Inc

Allen B du
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2906962A Sweep generator Expired / Lapsed 1957-02-27 1959-09-29 0 Details
US2589386A Pickup device for color television Expired / Lapsed 1947-12-02 1952-03-18 0 Details
US2490812A Control for color television Expired / Lapsed 1946-01-03 1949-12-13 0 Details
US2355363A Cathode-ray ignition analyzer Expired / Lapsed 1942-09-29 1944-08-08 0 Details